Auto merge of #23229 - georgeroman:implement_htmlmediaelement_canplaytype, r=ferjm

Finish the implementation of the HTMLMediaElement canPlayType method

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- [X] `./mach build -d` does not report any errors
- [X] `./mach test-tidy` does not report any errors
- [X] These changes fix #22299

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components/script/dom/htmlmediaelement.rs

@@ -62,7 +62,6 @@ use html5ever::{LocalName, Prefix};
 use http::header::{self, HeaderMap, HeaderValue};
 use ipc_channel::ipc;
 use ipc_channel::router::ROUTER;
-use mime::{self, Mime};
 use net_traits::image::base::Image;
 use net_traits::image_cache::ImageResponse;
 use net_traits::request::{CredentialsMode, Destination, Referrer, RequestBuilder};
@@ -73,7 +72,7 @@ use servo_config::pref;
 use servo_media::player::context::{GlContext, NativeDisplay, PlayerGLContext};
 use servo_media::player::frame::{Frame, FrameRenderer};
 use servo_media::player::{PlaybackState, Player, PlayerError, PlayerEvent, StreamType};
-use servo_media::ServoMedia;
+use servo_media::{ServoMedia, SupportsMediaType};
 use servo_url::ServoUrl;
 use std::cell::Cell;
 use std::collections::VecDeque;
@@ -1674,20 +1673,10 @@ impl HTMLMediaElementMethods for HTMLMediaElement {
 
     // https://html.spec.whatwg.org/multipage/#dom-navigator-canplaytype
     fn CanPlayType(&self, type_: DOMString) -> CanPlayTypeResult {
-        match type_.parse::<Mime>() {
+        match ServoMedia::get().unwrap().can_play_type(&type_) {
-            // XXX GStreamer is currently not very reliable playing OGG and most of
+            SupportsMediaType::No => CanPlayTypeResult::_empty,
-            //     the media related WPTs uses OGG if we report that we are able to
+            SupportsMediaType::Maybe => CanPlayTypeResult::Maybe,
-            //     play this type. So we report that we are unable to play it to force
+            SupportsMediaType::Probably => CanPlayTypeResult::Probably,
-            //     the usage of other types.
-            //     https://gitlab.freedesktop.org/gstreamer/gst-plugins-base/issues/520
-            Ok(ref mime)
-                if (mime.type_() == mime::APPLICATION && mime.subtype() == mime::OCTET_STREAM) ||
-                    (mime.subtype() == mime::OGG) =>
-            {
-                CanPlayTypeResult::_empty
-            },
-            Err(_) => CanPlayTypeResult::_empty,
-            _ => CanPlayTypeResult::Maybe,
         }
     }
 

tests/wpt/metadata/html/semantics/embedded-content/media-elements/mime-types/canPlayType.html.ini

@@ -2,9 +2,6 @@
   [video/mp4; codecs="mp4v.20.8" (optional)]
     expected: FAIL
 
-  [video/webm with bogus codec]
-    expected: FAIL
-
   [video/3gpp; codecs="samr" (optional)]
     expected: FAIL
 
@@ -14,33 +11,18 @@
   [audio/webm (optional)]
     expected: FAIL
 
+  [audio/webm with and without codecs]
+    expected: FAIL
+
   [audio/mp4; codecs="mp4a.40.2" (optional)]
     expected: FAIL
 
-  [audio/mp4 with bogus codec]
-    expected: FAIL
-
-  [audio/webm; codecs="vorbis" (optional)]
-    expected: FAIL
-
-  [video/webm; codecs="vp9" (optional)]
-    expected: FAIL
-
   [video/ogg; codecs="theora" (optional)]
     expected: FAIL
 
   [video/mp4; codecs="avc1.64001E" (optional)]
     expected: FAIL
 
-  [video/ogg; codecs="opus" (optional)]
-    expected: FAIL
-
-  [fictional formats and codecs not supported]
-    expected: FAIL
-
-  [video/mp4 with bogus codec]
-    expected: FAIL
-
   [video/mp4 (optional)]
     expected: FAIL
 
@@ -50,10 +32,10 @@
   [audio/ogg; codecs="opus" (optional)]
     expected: FAIL
 
-  [video/webm; codecs="vp8.0" (optional)]
+  [video/webm (optional)]
     expected: FAIL
 
-  [video/webm (optional)]
+  [video/webm with and without codecs]
     expected: FAIL
 
   [video/mp4; codecs="avc1.4D401E" (optional)]
@@ -62,9 +44,6 @@
   [audio/wav; codecs="1" (optional)]
     expected: FAIL
 
-  [video/3gpp with bogus codec]
-    expected: FAIL
-
   [audio/wav (optional)]
     expected: FAIL
 
@@ -80,9 +59,6 @@
   [audio/mp4 (optional)]
     expected: FAIL
 
-  [video/webm; codecs="opus" (optional)]
-    expected: FAIL
-
   [video/3gpp (optional)]
     expected: FAIL
 
@@ -95,24 +71,8 @@
   [audio/ogg; codecs="vorbis" (optional)]
     expected: FAIL
 
-  [audio/webm; codecs="opus" (optional)]
+  [video/ogg; codecs="opus" (optional)]
-    expected: FAIL
-
-  [video/webm; codecs="vorbis" (optional)]
-    expected: FAIL
-
-  [audio/wav with bogus codec]
     expected: FAIL
 
   [video/3gpp; codecs="mp4v.20.8" (optional)]
     expected: FAIL
-
-  [video/webm; codecs="vp9.0" (optional)]
-    expected: FAIL
-
-  [video/webm; codecs="vp8" (optional)]
-    expected: FAIL
-
-  [audio/webm with bogus codec]
-    expected: FAIL
-